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    • 3. 发明申请
    • Method and Device for Hierarchically Controlling Accessed Multicast Group
    • 层次控制访问组播组的方法和设备
    • US20120140771A1
    • 2012-06-07
    • US13384321
    • 2010-06-08
    • Shuang LiuCong Yu
    • Shuang LiuCong Yu
    • H04L12/56
    • H04N7/17318G06F2221/2117G06F2221/2129G06F2221/2141G06F2221/2145H04L12/18H04L12/185H04L12/1886H04L63/105H04N21/222H04N21/2396H04N21/25875H04N21/6405H04N21/658
    • A method for hierarchically controlling an access multicast group is disclosed, which divides the access authority control hierarchies of the multicast group and configures control rules for each authority control hierarchy. The method includes: performing authority control on an accessing user in a present authority control hierarchy according to the configured control rules, and if the user does not pass the authority control, then rejecting the user accessing the multicast group requested by the user; if the user passes the authority control, then going into the next authority control hierarchy to perform the authority control on the accessing user until accessing all the configured authority control hierarchies. Accordingly, a device for hierarchically controlling an access multicast group is provided, which includes: a division module, a control module, and a triggering module. Thus, the method and the device can hierarchically and flexibly control the on-demand multicast group of a user.
    • 公开了分层控制接入组播组的方法,其分割了组播组的接入权限控制层次,并为每个权限控制层次配置了控制规则。 该方法包括:根据配置的控制规则对当前权限控制层级中的访问用户执行权限控制,如果用户没有通过权限控制,则拒绝接入用户请求的组播组的用户; 如果用户通过权限控制,则进入下一个权限控制层级以对访问用户执行权限控制,直到访问所有配置的权限控制层次结构。 因此,提供了用于分级控制访问多播组的设备,其包括:分割模块,控制模块和触发模块。 因此,该方法和设备可以分层和灵活地控制用户的点播多播组。
    • 6. 发明申请
    • Sequential composition of schema mappings
    • 模式映射的顺序组合
    • US20070168381A1
    • 2007-07-19
    • US11334582
    • 2006-01-18
    • Ronald FaginPhokion KolaitisLucian PopaWang-Chiew TanCong Yu
    • Ronald FaginPhokion KolaitisLucian PopaWang-Chiew TanCong Yu
    • G06F7/00
    • G06F17/30595Y10S707/99943
    • A method for generating a schema mapping. A provided mapping M12 relates schema S1 to schema S2. A provided mapping M23 relates schema S2 to schema S3. A mapping M13 is generated from schema S1 to schema S3 as a composition of mappings M12 and M23. Mappings M12, M23, and M13 are each expressed in terms of at least one second-order nested tuple-generating dependency (SO nested tgd). Mapping M13 does not expressly recite any element of schema S2. At least one schema of the schemas S1 and S2 may comprise at least one complex type expression nested inside another complex type expression. Mapping M13 may define the composition of the mappings M12 and M23 with respect to a relationship semantics or a transformation semantics.
    • 一种用于生成模式映射的方法。 提供的映射M 12将模式S 1与模式S 2相关联。 提供的映射M 23将模式S 2与模式S 3相关联。 映射M 13从模式S 1生成到模式S 3作为映射M 12的组合,并且 M 23。 映射M 12,M 23和M 13各自表示为至少一个二阶嵌套元组生成依赖关系(SO 嵌套tgd)。 映射M 不明确地背诵模式S 2的任何元素。 模式S 1和S 2的至少一个模式可以包括嵌套在另一个复杂类型表达式内的至少一个复杂类型表达式。 映射M 13可以相对于关系语义或变换语义定义映射M 12和M 23的组成。
    • 7. 发明授权
    • System and method for finding unexpected, but relevant content in an information retrieval system
    • 在信息检索系统中发现意外但相关内容的系统和方法
    • US08204878B2
    • 2012-06-19
    • US12688364
    • 2010-01-15
    • Sihem Amer-YahiaSergei VassilvitskiiCong Yu
    • Sihem Amer-YahiaSergei VassilvitskiiCong Yu
    • G06F17/30
    • G06F17/30867
    • An improved method for information retrieval in web query and recommendation systems, where items that are likely unfamiliar to the users of the system, but potentially relevant, are recommended. In a recommendation system having ratings by a plurality of users for a plurality of items, items are assigned to one or more data regions based on item attributes or user activity. Source regions are identified for each of the data regions. For a given user, data regions with which both the user and the user's social network are unfamiliar are identified. Within a given data region, the relevance of items to the user within such regions is evaluated using ratings provided by other users who have entered ratings similar to the user in source regions for the data region. Items receiving the highest relevance score are recommended to the user.
    • 一种改进的Web查询和推荐系统中的信息检索方法,推荐系统用户可能不熟悉的项目。 在具有用于多个项目的多个用户的评级的推荐系统中,基于项目属性或用户活动将项目分配给一个或多个数据区域。 为每个数据区域识别源区域。 对于给定的用户,识别用户和用户的社交网络不熟悉的数据区域。 在给定的数据区域内,使用在数据区域的源区域中输入与用户类似的评级的其他用户提供的评级来评估项目对这些区域内的用户的相关性。 建议用户接收到最高相关性分数的项目。
    • 8. 发明申请
    • LARGE SCALE ENTITY-SPECIFIC RESOURCE CLASSIFICATION
    • 大规模实体特定资源分类
    • US20110264651A1
    • 2011-10-27
    • US12764694
    • 2010-04-21
    • Sathiya K. SelvarajPhilip L. BohannonMridul MuralidharanCong YuAshwin MachanavajjhalaArun S. IyerSundararajan Sellamanickam
    • Sathiya K. SelvarajPhilip L. BohannonMridul MuralidharanCong YuAshwin MachanavajjhalaArun S. IyerSundararajan Sellamanickam
    • G06F17/30G06F15/18
    • G06F17/30867
    • A system and method is described for large scale entity-specific classification of each entity-specific set of candidates in a collection of candidates for each specific entity in a collection of entities. The collection of entities may comprise a specific category or domain of entities (e.g. schools, restaurants, manufacturers, products, events, people). Candidates may comprise webpages or other resources with resource identifiers. Entity specific sets of candidates may be found by leveraging search engine query results and user interaction therewith for queries based on entity-specific attributes. The relationship(s) or class(es) for which candidate resources are being classified relative to a specific entity may comprise an authoritative, official home page (OHP), or other class (e.g. fan page, review, aggregator) relative to a specific entity. A feature generator generates entity-specific features for candidates. In accordance with its features, one or more classifiers rank each candidate for a specific class for a specific entity.
    • 描述了用于在实体集合中的每个特定实体的候选集合中的每个实体特定的候选者集合的大规模实体特定分类的系统和方法。 实体的收集可以包括实体(例如学校,餐馆,制造商,产品,事件,人)的特定类别或领域。 候选人可以包括具有资源标识符的网页或其他资源。 可以通过利用搜索引擎查询结果和与其进行用户交互来查找基于实体特定属性的查询来找到实体特定的候选者集合。 候选资源相对于特定实体被分类的关系或类可以包括权威的官方主页(OHP)或相对于特定实体的其他类(例如,粉丝专页,评论,聚合者) 实体。 特征生成器为候选者生成实体特定的特征。 根据其特征,一个或多个分类器为特定实体的特定类别的每个候选者排名。
    • 9. 发明申请
    • Constructing Travel Itineraries from Tagged Geo-Temporal Photographs
    • 从标记的地理时间照片构建旅游行程
    • US20110202267A1
    • 2011-08-18
    • US12708321
    • 2010-02-18
    • Sihem Amer-YahiaMunmun De ChoudhuryMoran FeldmanNadav GolbandiRonny LempelCong Yu
    • Sihem Amer-YahiaMunmun De ChoudhuryMoran FeldmanNadav GolbandiRonny LempelCong Yu
    • G01C21/00
    • G01C21/00G01C21/343
    • One embodiment accesses two or more photos taken by one or more travelers at one or more destinations and one or more points-of-interest located within the destinations; constructs one or more photo streams for each unique traveler-destination combination, wherein each one of the photo streams comprises two or more of the photos taken by the corresponding traveler at the corresponding destination; maps each one of the photos to one of the points-of-interest; constructs one or more timed paths for each unique traveler-destination combination based on the photo streams and the mapping between the photos and the points-of-interest, wherein each one of the timed paths comprises one or more of the points-of-interest located within the corresponding destination and visited by the corresponding travel; and constructs an itinerary based on a start point-of-interest, an end point-of-interest, a time constraint, and the timed paths.
    • 一个实施例访问位于目的地内的一个或多个目的地和一个或多个兴趣点的一个或多个旅行者拍摄的两张或多张照片; 为每个唯一的旅行者 - 目的地组合构建一个或多个照片流,其中每个照片流包括由相应旅行者在相应目的地拍摄的两张或更多张照片; 将每张照片映射到一个兴趣点; 基于照片流和照片和感兴趣点之间的映射来为每个唯一的旅行者 - 目的地组合构建一个或多个定时路径,其中每个定时路径包括一个或多个兴趣点 位于相应目的地内并由相应旅行访问; 并基于起始兴趣点,终点感兴趣,时间约束和定时路径构建行程。